Since vitamin C is a water-soluble vitamin, any excess is excreted in the urine in a few hours. Current U.S. recommendations call for 75 mg of vitamin C per day for adult women and 90 mg per day for ...

Fruits are one of the most natural ways to increase vitamin C intake and support immune health. Learn more about which fruits pack the most vitamin C.

Vitamins D and C both play important roles in immune health, but will either prevent you from getting sick? Here's what experts want you to know.

“Vitamin E is a fat-soluble vitamin, and because of this, it works primarily within the cell membranes of the skin by helping ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin C may be most beneficial when taken two to three times ...

Vitamin C and zinc are both nutrients that can support your immune system. Taking them together, through diet or supplements, may enhance their effects.

’Tis the season…to catch a cold or the flu. Vitamin C is touted as one of the best immune-boosting supplements on the market, which explains why searches around “vitamin C deficiency” have spiked by 1 ...

When cold strikes in, vitamin C becomes a go-to supplement for many. Some start loading up oranges, some turn towards ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? To get the scoop on niacinamide and vitamin C, including what each of them ...